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. 2021 Sep 27:hcab247. doi: 10.1093/qjmed/hcab247

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© The Author(s) 2021. Published by Oxford University Press on behalf of the Association of Physicians. All rights reserved. For permissions, please email: journals.permissions@oup.com

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Figure 2. — Results of the risk of bias assessment using RoB2 and ROBINS-I.

(A) Bar chart overview and per-study risk of bias rating for RCT studies. (B) Bar chart overview and per-study risk of bias rating for observational studies.